118 ALEXA Plus
13 ALEXA Plus
The ALEXA Plus has an additional set of features compared to the regular
ALEXA.
Level sensor
The level sensor determines the camera's tilt and roll
CLM ports
Three ports for connecting controlled lens motors. Currently supported
motor types are CLM-2 and CLM-3.
Radio module
Connects wirelessly to hand units for controlling CLMs.
LDS
ARRI's Lens Data System is supported for reading lens data and
calculating depth of field.
Additional connectors
An additional MON OUT supplies a second monitor with a monitoring
signal.
Two LCS ports for connecting a WCU-3, a WHA-3 or a ZMU-3
Any ALEXA can be upgraded to an ALEXA Plus by installing the
Plusmodule.
Note: The Plus module must be installed by an authorized ARRI service center.
13.1 General Description
The ALEXA Plus has an extended electronic side cover that offers the
following additional functions over the standard ALEXA:
Built-in radio modem for wireless remote control of lens and camera.
Motor drivers for up to three CLM-2 or CLM-3 motors.
Two LCS bus interfaces for connecting WCU-3, WHA-3 and ZMU-3
hand units
LDD (Lens Data Display) interface
Lens Adapter PL Mount LA-PL-2 with LDS support
Control of LDS, radio, and lens motors through the camera user
interface.
A third RS socket.
A second MON OUT connector.